Type – WP Editor

'copyright_text' => [
  'label' => __( 'Copyright text' ),
  'type' => 'wp-editor',
  'disableRevertButton' => true,
  'quicktags' => false,
  'mediaButtons' => false,
  'tinymce' => [
    'toolbar1' => 'bold,italic,link,undo,redo',
    'toolbar2' => '',
  ],
],

ARGUMENTS

• disableRevertButton - Disabling the "revert to default" button. You can have this arg in any option, but it makes the most sense in wp-editor.
• quickTags - Tab between Visual and Text. If you want to add this, remove this arg. Setting it to true will still disable it.
• mediaButtons - Add Image button. If you want to enable this, remove this arg. Settil it to true will still disable it.

AVAILABLE TOOLBAR

• formatselect (The dropdown where you can choose Heading 1 - 6)
• wp_adv (Toggle the 2nd Toolbar - You must add this in 1st Toolbar if planning to use 2nd Toolbar)
• bold
• italic
• link
• bullist (Bullet List)
• numlist (Numbered List)
• undo
• redo
• alignleft
• aligncenter
• alignright
• strikethrough
• hr
• forecolor (Add text color - not recommended since the UI is poor)
• pastetext (Paste as Text - remove formatting when copying from Word)
• removeformat
• charmap (Show a popup to insert Symbol)

Value Format

'copyright_text' => __( 'Copyright © [current-year] - [site-title]' )